1asn1_get_octet_der(3)              libtasn1              asn1_get_octet_der(3)
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NAME

6       asn1_get_octet_der - API function
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SYNOPSIS

9       #include <libtasn1.h>
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11       int  asn1_get_octet_der(const  unsigned  char * der, int der_len, int *
12       ret_len, unsigned char * str, int str_size, int * str_len);
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ARGUMENTS

15       const unsigned char * der
16                   DER data to decode containing the OCTET SEQUENCE.
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18       int der_len The length of the  der data to decode.
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20       int * ret_len
21                   Output variable containing the encoded length  of  the  DER
22                   data.
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24       unsigned char * str
25                   Pre-allocated  output  buffer to put decoded OCTET SEQUENCE
26                   in.
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28       int str_size
29                   Length of pre-allocated output buffer.
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31       int * str_len
32                   Output variable containing the length of  the  contents  of
33                   the OCTET SEQUENCE.
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DESCRIPTION

36       Extract  an  OCTET  SEQUENCE from DER data. Note that this function ex‐
37       pects the DER data past the tag field, i.e.,  the  length  and  content
38       octets.
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RETURNS

41       Returns ASN1_SUCCESS on success, or an error.
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44       Copyright © 2006-2022 Free Software Foundation, Inc..
45       Copying  and  distribution  of this file, with or without modification,
46       are permitted in any medium without royalty provided the copyright  no‐
47       tice and this notice are preserved.
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SEE ALSO

50       The  full documentation for libtasn1 is maintained as a Texinfo manual.
51       If the info and libtasn1 programs are properly installed at your  site,
52       the command
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54              info libtasn1
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56       should  give  you access to the complete manual.  As an alternative you
57       may obtain the manual from:
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59              https://www.gnu.org/software/libtasn1/manual/
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61libtasn1                            4.19.0               asn1_get_octet_der(3)
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